Home / 646,827,737.60-970,241,606.40-186,780,915.20

Finding the Fourth Proportional to 646,827,737.60, 970,241,606.40 and 186,780,915.20

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Solution

The fourth proportional to 646,827,737.60, 970,241,606.40 and 186,780,915.20 is: 280,171,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,827,737.60 : 970,241,606.40 = 186,780,915.20 : x
  2. Step 2: Convert to fraction form
    646,827,737.60/970,241,606.40 = 186,780,915.20/x
  3. Step 3: Cross multiply
    646,827,737.60x = 970,241,606.40 × 186,780,915.20
  4. Step 4: Simplify right side
    646,827,737.60x = 181,222,615,208,510,176
  5. Step 5: Solve for x
    x = 181,222,615,208,510,176/646,827,737.60
  6. Step 6: Final answer
    x = 280,171,372.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.